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function i64 vim_pattern_inner_v(Application_Links *app, Buffer_Seek_String_Flags seek_flags){
String_u8 *pattern = &vim_registers.search.data;
if(pattern->size == 0){ return -1; }
View_ID view = get_active_view(app, Access_ReadVisible);
Buffer_ID buffer = view_get_buffer(app, view, Access_ReadVisible);
i64 pos = view_get_cursor_pos(app, view);
i64 new_pos = -1;
seek_string(app, buffer, pos, 0, 0, pattern->string, &new_pos, seek_flags);
return new_pos;
}
function void vim_in_pattern_inner(Application_Links *app, Buffer_Seek_String_Flags seek_flags){
String_u8 *pattern = &vim_registers.search.data;
i64 new_pos = vim_pattern_inner_v(app, seek_flags);
View_ID view = get_active_view(app, Access_ReadVisible);
Buffer_ID buffer = view_get_buffer(app, view, Access_ReadVisible);
i64 buffer_size = buffer_get_size(app, buffer);
if(new_pos > 0 && new_pos != buffer_size){
vim_push_jump(app, view);
Vim_Motion_Block vim_motion_block(app, new_pos + pattern->size-1);
view_set_cursor_and_preferred_x(app, view, seek_pos(new_pos));
}
}
function void vim_to_pattern_inner(Application_Links *app, Buffer_Seek_String_Flags seek_flags){
View_ID view = get_active_view(app, Access_ReadVisible);
Buffer_ID buffer = view_get_buffer(app, view, Access_ReadVisible);
i64 buffer_size = buffer_get_size(app, buffer);
i64 new_pos = vim_pattern_inner_v(app, seek_flags);
if(new_pos > 0 && new_pos != buffer_size){
vim_push_jump(app, view);
Vim_Motion_Block vim_motion_block(app);
view_set_cursor_and_preferred_x(app, view, seek_pos(new_pos));
}
}
function void
vim_start_search_inner(Application_Links *app, Scan_Direction start_direction){
View_ID view = get_active_view(app, Access_ReadVisible);
Buffer_ID buffer = view_get_buffer(app, view, Access_ReadVisible);
if(!buffer_exists(app, buffer)){ return; }
i64 buffer_size = buffer_get_size(app, buffer);
Vec2_f32 old_margin = {};
Vec2_f32 old_push_in = {};
view_get_camera_bounds(app, view, &old_margin, &old_push_in);
Vec2_f32 margin = old_margin;
margin.y = clamp_bot(200.f, margin.y);
view_set_camera_bounds(app, view, margin, old_push_in);
Scan_Direction direction = start_direction;
i64 pos = view_get_cursor_pos(app, view);
/// TODO(BYP): Need a better system to have multiple types of these drawing
vim_use_bottom_cursor = true;
String_Const_u8 prefix = (start_direction == Scan_Forward ? string_u8_litexpr("/") : string_u8_litexpr("?"));
vim_set_bottom_text(prefix);
u8 *dest = vim_bot_text.str + vim_bot_text.size;
u64 base_size, after_size;
base_size = after_size = vim_bot_text.size;
Vim_Register *reg = &vim_registers.search;
if(reg->data.size < 256){ vim_realloc_string(®->data, 0); }
reg->data.size = 0;
String_u8 *query = ®->data;
f32 prev_offset = vim_nxt_filebar_offset;
i64 match_size = 0;
User_Input in = {};
for(;;){
if(vim_nxt_filebar_offset == 0.f){ vim_nxt_filebar_offset = 0.1f; }
animate_in_n_milliseconds(app, 0);
vim_set_bottom_text(prefix);
block_copy(dest, query->str, query->size);
vim_bot_text.size = after_size + query->size;
in = get_next_input(app, EventPropertyGroup_Any, EventProperty_Escape);
if(in.abort){ query->size = 0; break; }
String_Const_u8 string = to_writable(&in);
b32 string_change = false;
if(match_key_code(&in, KeyCode_Return)){
reg->flags |= (REGISTER_Set|REGISTER_Updated);
break;
}
else if(string.str != 0 && string.size > 0){
string_append(query, string);
string_change = true;
}
else if(match_key_code(&in, KeyCode_Backspace)){
u64 old_size = query->size;
if(has_modifier(&in.event.key.modifiers, KeyCode_Control)){
if(has_modifier(&in.event.key.modifiers, KeyCode_Shift)){
query->string.size = 0;
}else{
query->string = ctrl_backspace_utf8(query->string);
}
}else{
query->string = backspace_utf8(query->string);
}
string_change = old_size != query->size;
}
else{ leave_current_input_unhandled(app); }
b32 do_scan_action = false;
if(string_change){
reg->flags |= (REGISTER_Set|REGISTER_Updated);
vim_update_registers(app);
i64 new_pos = 0;
switch(direction){
case Scan_Forward:{
//seek_string(app, buffer, pos - 1, 0, query->string, &new_pos, seek_flags);
seek_string_insensitive_forward(app, buffer, pos - 1, 0, query->string, &new_pos);
if(new_pos < buffer_size){
pos = new_pos;
match_size = query->string.size;
}
} break;
case Scan_Backward:{
seek_string_insensitive_backward(app, buffer, pos + 1, 0, query->string, &new_pos);
if(new_pos >= 0){
pos = new_pos;
match_size = query->string.size;
}
} break;
}
if(in_range(0, new_pos, buffer_size)){
view_set_cursor_and_preferred_x(app, view, seek_pos(new_pos));
isearch__update_highlight(app, view, Ii64_size(new_pos, match_size));
}
}
else if(do_scan_action){
//direction = change_scan;
switch(direction){
case Scan_Forward:{
i64 new_pos = 0;
seek_string_insensitive_forward(app, buffer, pos, 0, query->string, &new_pos);
if (new_pos < buffer_size){
pos = new_pos;
match_size = query->string.size;
}
} break;
case Scan_Backward:{
i64 new_pos = 0;
seek_string_insensitive_backward(app, buffer, pos, 0, query->string, &new_pos);
if(new_pos >= 0){
pos = new_pos;
match_size = query->string.size;
}
} break;
}
}
//else if(do_scroll_wheel){ mouse_wheel_scroll(app); }
}
view_disable_highlight_range(app, view);
vim_reset_bottom_text();
vim_use_bottom_cursor = false;
vim_nxt_filebar_offset = prev_offset;
view_set_camera_bounds(app, view, old_margin, old_push_in);
}
VIM_COMMAND_SIG(vim_clear_search){
vim_registers.search.data.size = 0;
vim_registers.search.flags &= (~REGISTER_Set);
vim_update_registers(app);
}
VIM_COMMAND_SIG(vim_start_search_forward){ vim_start_search_inner(app, Scan_Forward); }
VIM_COMMAND_SIG(vim_start_search_backward){ vim_start_search_inner(app, Scan_Backward); }
VIM_COMMAND_SIG(vim_to_next_pattern){ vim_to_pattern_inner(app, 0); }
VIM_COMMAND_SIG(vim_to_prev_pattern){ vim_to_pattern_inner(app, BufferSeekString_Backward); }
VIM_COMMAND_SIG(vim_in_next_pattern){ vim_in_pattern_inner(app, 0); }
VIM_COMMAND_SIG(vim_in_prev_pattern){ vim_in_pattern_inner(app, BufferSeekString_Backward); }
VIM_COMMAND_SIG(vim_search_identifier){
View_ID view = get_active_view(app, Access_ReadVisible);
Buffer_ID buffer = view_get_buffer(app, view, Access_ReadVisible);
i64 pos = view_get_cursor_pos(app, view);
Range_i64 range = enclose_pos_alpha_numeric_underscore(app, buffer, pos);
vim_state.params.selected_reg = &vim_registers.search;
vim_request_vtable[REQUEST_Yank](app, view, buffer, range);
vim_default_register();
}
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